The product is a high-efficiency super concentrated all element ecological fertilizer complexed by double complexation technology. Natural active functional groups such as plant activin, potassium fulvic acid and beneficial active bacteria, as well as medium and trace elements necessary for crop growth are added. On the basis of ensuring the lasting effect, balanced nutrition, fertilizing soil fertility, stimulating growth, water conservation and drought resistance, promoting roots and seedlings, reducing soil borne diseases, promoting root development, and improving the comprehensive utilization rate of nitrogen, phosphorus and potassium by 10-20%, Save fertilizer by more than 10%; Active beneficial bacteria, nitrogen fixation, phosphorus and potassium dissolution, activate soil fertility, improve crop disease resistance and yield.